Updated mediawiki/extensions
Project: mediawiki/extensions/TwnMainPage  38bf58bc4b1ecbeca3109fd089073bd9a719efc3

CSS fixes for MainPage

CSS adjustments:
* Project tile actions do not exceed their container
* Project tiles are adjusted for small screens
* Experimental animation support for stats tiles
* Other minor color and border adjustments

Change-Id: I4f764ae0492489247e1777a48194882ff4335921